* This is a linked list.
*/
struct GNUNET_SCALARPRODUCT_ComputationHandle *prev;
-
+
/**
* Our configuration.
*/
* The shared session key identifying this computation
*/
struct GNUNET_HashCode * key;
-
+
/**
* Current transmit handle.
*/
*** Function Declarations **********
**************************************************************/
-/**
- * Called when a response is received from the service. After basic check
- * handler in qe->response_proc is called. This functions handles the response
- * to the client which used the API.
- *
- * @param cls Pointer to the Master Context
- * @param msg Pointer to the data received in response
- */
-static void
-receive_cb (void *cls, const struct GNUNET_MessageHeader *msg);
-
-/**
- * Transmits the request to the VectorProduct Sevice
- *
- * @param cls Closure
- * @param size Size of the buffer
- * @param buf Pointer to the buffer
- *
- * @return Size of the message sent
- */
-static size_t transmit_request (void *cls, size_t size,
- void *buf);
+void
+GNUNET_SCALARPRODUCT_cancel (struct GNUNET_SCALARPRODUCT_ComputationHandle * h);
/**************************************************************
*** Static Function Declarations **********
**************************************************************/
+
/**
* Handles the RESULT received in reply of prepare_response from the
* service
const struct GNUNET_SCALARPRODUCT_client_response *message =
(const struct GNUNET_SCALARPRODUCT_client_response *) msg;
gcry_mpi_t result = NULL;
+ gcry_error_t rc;
if (GNUNET_SCALARPRODUCT_Status_Success == status
&& qe->cont_datum != NULL)
{
- size_t product_len = ntohl(message->product_length);
- result = gcry_mpi_new(0);
-
+ size_t product_len = ntohl (message->product_length);
+ result = gcry_mpi_new (0);
+
if (0 < product_len)
{
gcry_mpi_t num;
size_t read = 0;
- if (0 != gcry_mpi_scan (&num, GCRYMPI_FMT_USG, &msg[1], product_len, &read)){
- LOG (GNUNET_ERROR_TYPE_ERROR, "Could not convert to mpi to value!\n");
- gcry_mpi_release(result);
+ if (0 != (rc = gcry_mpi_scan (&num, GCRYMPI_FMT_USG, &msg[1], product_len, &read)))
+ {
+ LOG_GCRY(GNUNET_ERROR_TYPE_ERROR, "gcry_mpi_scan", rc);
+ gcry_mpi_release (result);
result = NULL;
status = GNUNET_SCALARPRODUCT_Status_InvalidResponse;
}
else
{
if (message->range > 0)
- gcry_mpi_add(result, result, num);
+ gcry_mpi_add (result, result, num);
else
- gcry_mpi_sub(result, result, num);
- gcry_mpi_release(num);
+ gcry_mpi_sub (result, result, num);
+ gcry_mpi_release (num);
}
}
}
- qe->cont_datum (qe->cont_cls, status, result);
+ qe->cont_datum (qe->cont_cls, status, result);
}
LOG (GNUNET_ERROR_TYPE_WARNING, "Disconnected by Service.\n");
status = GNUNET_SCALARPRODUCT_Status_ServiceDisconnected;
}
- else if ( GNUNET_MESSAGE_TYPE_SCALARPRODUCT_SERVICE_TO_CLIENT != ntohs (msg->type))
+ else if (GNUNET_MESSAGE_TYPE_SCALARPRODUCT_SERVICE_TO_CLIENT != ntohs (msg->type))
{
LOG (GNUNET_ERROR_TYPE_WARNING, "Invalid message type received\n");
}
status = GNUNET_SCALARPRODUCT_Status_Success;
}
-
+
if (qe->cont_datum != NULL)
qe->response_proc (qe, msg, status);
void *buf)
{
struct GNUNET_SCALARPRODUCT_ComputationHandle *qe = cls;
-
+
if (NULL == buf)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "Failed to transmit request to SCALARPRODUCT.\n");
GNUNET_STATISTICS_update (qe->stats,
gettext_noop ("# transmission request failures"),
1, GNUNET_NO);
-
+
// notify caller about the error, done here.
if (qe->cont_datum != NULL)
qe->response_proc (qe, NULL, GNUNET_SCALARPRODUCT_Status_Failure);
- GNUNET_SCALARPRODUCT_cancel(cls);
+ GNUNET_SCALARPRODUCT_cancel (cls);
return 0;
}
memcpy (buf, qe->msg, size);
-
+
GNUNET_free (qe->msg);
qe->msg = NULL;
qe->th = NULL;
int32_t * vector;
uint16_t size;
uint64_t i;
-
- GNUNET_assert(key);
- GNUNET_assert(elements);
- GNUNET_assert(cont);
- GNUNET_assert(element_count > 1);
+
+ GNUNET_assert (key);
+ GNUNET_assert (elements);
+ GNUNET_assert (cont);
+ GNUNET_assert (element_count > 1);
GNUNET_assert (GNUNET_SERVER_MAX_MESSAGE_SIZE >= sizeof (struct GNUNET_SCALARPRODUCT_client_request)
- + element_count * sizeof (int32_t));
+ +element_count * sizeof (int32_t));
h = GNUNET_new (struct GNUNET_SCALARPRODUCT_ComputationHandle);
h->client = GNUNET_CLIENT_connect ("scalarproduct", cfg);
if (!h->client)
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_ ("Failed to connect to the scalarproduct service\n"));
- GNUNET_free(h);
+ GNUNET_free (h);
return NULL;
}
h->stats = GNUNET_STATISTICS_create ("scalarproduct-api", cfg);
- if (!h->th){
+ if (!h->th)
+ {
LOG (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to send a message to the statistics service\n"));
- GNUNET_CLIENT_disconnect(h->client);
- GNUNET_free(h);
+ _ ("Failed to send a message to the statistics service\n"));
+ GNUNET_CLIENT_disconnect (h->client);
+ GNUNET_free (h);
return NULL;
- }
-
- size = sizeof (struct GNUNET_SCALARPRODUCT_client_request) + element_count * sizeof (int32_t);
-
+ }
+
+ size = sizeof (struct GNUNET_SCALARPRODUCT_client_request) +element_count * sizeof (int32_t);
+
h->cont_status = cont;
h->cont_cls = cont_cls;
h->response_proc = &process_result_message;
h->cfg = cfg;
h->msg = GNUNET_malloc (size);
memcpy (&h->key, key, sizeof (struct GNUNET_HashCode));
-
+
msg = (struct GNUNET_SCALARPRODUCT_client_request*) h->msg;
msg->header.size = htons (size);
msg->header.type = htons (GNUNET_MESSAGE_TYPE_SCALARPRODUCT_CLIENT_TO_ALICE);
msg->element_count = htonl (element_count);
-
- vector = (int32_t*) &msg[1];
+
+ vector = (int32_t*) & msg[1];
// copy each element over to the message
for (i = 0; i < element_count; i++)
- vector[i] = htonl(elements[i]);
+ vector[i] = htonl (elements[i]);
memcpy (&msg->key, key, sizeof (struct GNUNET_HashCode));
-
+
h->th = GNUNET_CLIENT_notify_transmit_ready (h->client, size,
GNUNET_TIME_UNIT_FOREVER_REL,
GNUNET_YES, // retry is OK in the initial stage
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_ ("Failed to send a message to the scalarproduct service\n"));
- GNUNET_STATISTICS_destroy(h->stats, GNUNET_YES);
- GNUNET_CLIENT_disconnect(h->client);
- GNUNET_free(h->msg);
- GNUNET_free(h);
+ GNUNET_STATISTICS_destroy (h->stats, GNUNET_YES);
+ GNUNET_CLIENT_disconnect (h->client);
+ GNUNET_free (h->msg);
+ GNUNET_free (h);
return NULL;
}
GNUNET_CONTAINER_DLL_insert (head, tail, h);
int32_t * vector;
uint16_t size;
uint64_t i;
-
+
GNUNET_assert (GNUNET_SERVER_MAX_MESSAGE_SIZE >= sizeof (struct GNUNET_SCALARPRODUCT_client_request)
- + element_count * sizeof (int32_t)
- + mask_bytes);
-
+ +element_count * sizeof (int32_t)
+ + mask_bytes);
+
h = GNUNET_new (struct GNUNET_SCALARPRODUCT_ComputationHandle);
h->client = GNUNET_CLIENT_connect ("scalarproduct", cfg);
if (!h->client)
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_ ("Failed to connect to the scalarproduct service\n"));
- GNUNET_free(h);
+ GNUNET_free (h);
return NULL;
}
h->stats = GNUNET_STATISTICS_create ("scalarproduct-api", cfg);
- if (!h->th){
+ if (!h->th)
+ {
LOG (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to send a message to the statistics service\n"));
- GNUNET_CLIENT_disconnect(h->client);
- GNUNET_free(h);
+ _ ("Failed to send a message to the statistics service\n"));
+ GNUNET_CLIENT_disconnect (h->client);
+ GNUNET_free (h);
return NULL;
- }
-
- size = sizeof (struct GNUNET_SCALARPRODUCT_client_request) + element_count * sizeof (int32_t) + mask_bytes;
-
+ }
+
+ size = sizeof (struct GNUNET_SCALARPRODUCT_client_request) +element_count * sizeof (int32_t) + mask_bytes;
+
h->cont_datum = cont;
h->cont_cls = cont_cls;
h->response_proc = &process_status_message;
h->cfg = cfg;
h->msg = GNUNET_malloc (size);
memcpy (&h->key, key, sizeof (struct GNUNET_HashCode));
-
+
msg = (struct GNUNET_SCALARPRODUCT_client_request*) h->msg;
msg->header.size = htons (size);
msg->header.type = htons (GNUNET_MESSAGE_TYPE_SCALARPRODUCT_CLIENT_TO_ALICE);
msg->element_count = htons (element_count);
msg->mask_length = htons (mask_bytes);
-
- vector = (int32_t*) &msg[1];
+
+ vector = (int32_t*) & msg[1];
// copy each element over to the message
for (i = 0; i < element_count; i++)
- vector[i] = htonl(elements[i]);
+ vector[i] = htonl (elements[i]);
memcpy (&msg->peer, peer, sizeof (struct GNUNET_PeerIdentity));
memcpy (&msg->key, key, sizeof (struct GNUNET_HashCode));
memcpy (&vector[element_count], mask, mask_bytes);
-
+
h->th = GNUNET_CLIENT_notify_transmit_ready (h->client, size,
GNUNET_TIME_UNIT_FOREVER_REL,
GNUNET_YES, // retry is OK in the initial stage
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_ ("Failed to send a message to the scalarproduct service\n"));
- GNUNET_STATISTICS_destroy(h->stats, GNUNET_YES);
- GNUNET_CLIENT_disconnect(h->client);
- GNUNET_free(h->msg);
- GNUNET_free(h);
+ GNUNET_STATISTICS_destroy (h->stats, GNUNET_YES);
+ GNUNET_CLIENT_disconnect (h->client);
+ GNUNET_free (h->msg);
+ GNUNET_free (h);
return NULL;
}
GNUNET_CONTAINER_DLL_insert (head, tail, h);
return h;
}
+
/**
* Disconnect from the scalarproduct service.
*
if (qe == h)
{
GNUNET_CONTAINER_DLL_remove (head, tail, qe);
- LOG (GNUNET_ERROR_TYPE_INFO,
- "Disconnecting from VectorProduct\n");
if (NULL == qe->th)
GNUNET_CLIENT_notify_transmit_ready_cancel (qe->th);
- GNUNET_CLIENT_disconnect (h->client);
- GNUNET_STATISTICS_destroy (h->stats, GNUNET_YES);
+ GNUNET_CLIENT_disconnect (qe->client);
+ GNUNET_STATISTICS_destroy (qe->stats, GNUNET_YES);
GNUNET_free (qe->msg);
GNUNET_free (qe);
break;
}
}
}
+/**
+ * Cancel ALL our ongoing scalar product computations and collaboration offers.
+ * Closes ALL connections to the service
+ */
+void
+GNUNET_SCALARPRODUCT_disconnect ()
+{
+ struct GNUNET_SCALARPRODUCT_ComputationHandle * qe;
+
+ LOG (GNUNET_ERROR_TYPE_INFO, "Disconnecting from VectorProduct\n");
+ for (qe = head; head != NULL; qe = head)
+ {
+ GNUNET_CONTAINER_DLL_remove (head, tail, qe);
+ if (NULL == qe->th)
+ GNUNET_CLIENT_notify_transmit_ready_cancel (qe->th);
+ GNUNET_CLIENT_disconnect (qe->client);
+ GNUNET_STATISTICS_destroy (qe->stats, GNUNET_YES);
+ GNUNET_free (qe->msg);
+ GNUNET_free (qe);
+ }
+}
/* end of ext_api.c */
projects / oweals / gnunet.git / blobdiff